| Rob Kumpf's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2022 Golden Gate Dirty 30 (50K) | Colorado, US | 48 | Friday, June 3, 2022 | 08:11:08.00 |
| 2021 Golden Gate Dirty 30 (50K) | Colorado, US | 47 | Saturday, June 12, 2021 | 09:46:27.00 |
| Rob Kumpf's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2022 Golden Gate Dirty 30 (50K) | Colorado, US | 48 | Friday, June 3, 2022 | 08:11:08.00 |
| 2021 Golden Gate Dirty 30 (50K) | Colorado, US | 47 | Saturday, June 12, 2021 | 09:46:27.00 |